Finding the Fourth Proportional to 191,539.62, 264,343.05 and 106,656.66
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Solution
The fourth proportional to 191,539.62, 264,343.05 and 106,656.66 is: 147,196.42
Step by Step Solution
- Step 1: Write the proportion equation
191,539.62 : 264,343.05 = 106,656.66 : x - Step 2: Convert to fraction form
191,539.62/264,343.05 = 106,656.66/x - Step 3: Cross multiply
191,539.62x = 264,343.05 × 106,656.66 - Step 4: Simplify right side
191,539.62x = 28,193,946,807.21 - Step 5: Solve for x
x = 28,193,946,807.21/191,539.62 - Step 6: Final answer
x = 147,196.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.